#include "Socket.hpp"
#include "common.hpp"
#include "Protocol.hpp"
#include <iostream>
#include <string>
#include <memory>

using namespace SocketMoudle;

void Usage(std::string proc)
{
    std::cerr << "Usage: " << proc << " server_ip server_port" << std::endl;
}
void GetDataFromStdin(int *x, int *y, char *oper)
{
    std::cout << "Please Enter x: ";
    std::cin >> *x;
    std::cout << "Please Enter y: ";
    std::cin >> *y;
    std::cout << "Please Enter oper: ";
    std::cin >> *oper;
}

int main(int argc, char *argv[])
{
    if (argc != 3)
    {
        Usage(argv[0]);
        exit(USAGE_ERR);
    }
    std::string server_ip = argv[1];
    uint16_t server_port = std::stoi(argv[2]);
    std::shared_ptr<Socket> client = std::make_unique<TcpSocket>();
    client->BuildTcpClientSocketMethod();
    //向服务端发送链接
    if (client->Connect(server_ip, server_port) != 0)
    {
        std::cerr << "connect error" << std::endl;
        exit(CONNECT_ERR);
    }
    std::unique_ptr<Protocol> protocol = std::make_unique<Protocol>();
    std::string resp_buffer;
    while (true)
    {
        //1从标准输入中获取数据
        int x, y;
        char oper;
        GetDataFromStdin(&x, &y, &oper);
        //构建请求
        std::string req_str = protocol->BuildRequestString(x, y, oper);
        //发送请求
        client->Send(req_str);

        // 获取应答
        Response resp;
        bool res = protocol->GetResponse(client, resp_buffer, &resp);
        if (res == false)
            break;

        // 5. 显示结果
        resp.ShowResult();
    }
    return 0;
}